Khaidirman, S.K. et al. 2023. The Relationship between Pre Discharge Left Ventricle Diastolic Dysfunction and 30 days And 6 Months Rehospitalization in Patients with Heart Failure with Reduced Ejection Fraction (HFrEF) at Haji Adam Malik General Hospital Medan. Journal of Society Medicine. 2, 5 (May 2023), 148–154. DOI:https://doi.org/10.47353/jsocmed.v2i5.33.